Electrohydro Metallurgy Milestones / Achievements Patents


S. No.TitleInventorsCountryApp.No.Filing DatePatent No.Patent Seal Date
1 A process for electrolytic recovery of lead from scrap lead acid battery desulphurised sludge V Nandakumar,    1054 / DEL / 2000
2 A process for the recovery of nickel ad cadmium from spent nickel-cadmium batteries by solvent extraction using di-2 ethyl hexyl phosphoric acid (D2EHPA) V Nandakumar,    172 / DEL / 2004
3 An improved process for electrowinning of nickel with improved anodes and cathodes V Nandakumar,    394 / DEL / 1996